A chloroplast is typically disc-shaped or lens-shaped, often described as an oval or biconvex organelle about 4–6 µm in diameter and 1–3 µm thick.

There is no single scientific name for all worms; the word “worm” is a common name for thousands of unrelated invertebrate species, with the familiar earthworm

There is no single scientific name for all ducks; “duck” is the common name for many species in the bird family Anatidae.

Sensory neurons detect stimuli from your environment and body, then transmit that information to your central nervous system for processing.

Athena is the Greek goddess of wisdom, strategic warfare, and handicraft, and the patron and protectress of cities, most famously Athens.

Xylem transports water and dissolved minerals from roots to leaves while providing structural support through lignified cell walls.

A scientific abstract is a concise, self-contained summary that helps readers quickly understand a study’s key findings and decide whether to read.

A neutral magnesium atom has 12 electrons, exactly matching its atomic number of 12 on the periodic.

The nucleolus is a dense, non-membrane-bound structure inside the cell’s nucleus where ribosomal RNA is produced and ribosome subunits are assembled.

The sugar in RNA is called ribose, a five-carbon monosaccharide that forms the structural backbone of the ribonucleic acid molecule.